One large Milky Way galaxy or many galaxies?
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
IFLScience3d
The Woman Who Helped Astronomers Map The Stars And Prove A Universe Beyond Our Galaxy
It is the International Day Of Women And Girls In Science, and what better way to celebrate than to discuss the work of Henrietta Leavitt, the scientist who discovered Cepheid variables and laid the ...
Newsworthy Women on MSN3d
Henrietta Leavitt: The Woman Who Measured the Universe
Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...
Paris AI Summit | Sundar Pichai: AI’s Golden Age Is Here, But Challenges Remain
At the AI Action Summit in Paris, Alphabet CEO Sundar Pichai emphasized the transformative potential of artificial intelligence, heralding a "golden age of innovation." However, he cautioned that the ...